{
  "manageEntity": {
    "action": "Repost",
    "entityId": "300519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xef5880f0fd626c902ff10735851a4f93241e0972cb74f3b5772ffd3ebb7956e2",
    "signature": "0x17cad24533c6fd57feea26c10997726d70e978ee05c6f929bf38b677475fbeb37bc43264c3efcb14992758fe049be993710c1720345925a2fad2fa75d4e57e731b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
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}