{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448325221",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x872cea82dd0e33a1eff90ec32c495dd18577c5e773b24c1fe9ee2cc62c75fbb2",
    "signature": "0x826cc1fb74f1726ba918399198d40af3608ba2667a143647f4595cb6a0e9e7184f6176691ac02162fe0a26aaaa06c2fda513f2f525f0740b1eea7e2bee17c5b31b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}