{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553858",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe520d0f6e4ab56606d84632db1e957cec6998f9878b6f375c8d8d5633084055d",
    "signature": "0x8580b1915d29b90c66b6dcfd0694fdacfb0d0d978cb565c8fda86c051efdf52e30d3c8568cf89ad98332356bed704b6141f638e114ca6bdc7a87a9613433e0a31b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}