{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503705644",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1147b049c86f9965fc18ce5cc8793317eaa3e3d4d6d920f52a53c35db7fc1a06",
    "signature": "0x8d735a03101adfdb383705f9fb8660c67880277eae91a6b3830af2a1afb4252754881e9b8b8a59e61cf2be39da490588c2dc4dfc304b0ceba2c298bacac1ed4d1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}