{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519984331",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb5aa0f0cfbe5dd6d56cc39b3da18f489c8ecc84c42c08275d4e52cdb884cde26",
    "signature": "0x09380f1d8ac3f1f9b668f76bec4712c2889238d89dfa43ba9487c4aeb80741577476f586b5b3ae49cb8e6f91f44b8860108d12cfeb33583633e79a9175351a011c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}