{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439567870",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa3b7249afce736121dba27bd48fbfbb7af9c5c4e09eee89918099b43fc9714c5",
    "signature": "0xf46b7a1e6f3c73b45268055adf669b347e77f19fec6cfbfc6949a2a7cc0e04957627478b91778c43bcc3411477db3c0b2fbfd5730f98b9eb492bc5840f51e2341c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}