{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111728084",
    "entityType": "User",
    "nonce": "0x139d1eb6cfd780649add88229a1666ab16d41c43be6655caaec57f31e94c6f62",
    "signature": "0x07accf2911fed2d52c443b8c0f0fdfdd96b47d17d5dbe28971d717bf4c7c05b342a0fd2a9601239cda25ebe55b098237fb2f875b3ae20cbdb9c0eb63e56b85571c",
    "signer": "0x0D124a85cc98C7A0217a088f16030EB47965D227",
    "userId": "78268520"
  }
}