{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129104",
    "entityType": "User",
    "nonce": "0x64233687298482f3a67130734d9a2bd21a1806b60ef63d7e675c8aed7630353c",
    "signature": "0x4497e04545e92cd9624160fa71fa1da9fd578e55f040763422000749e389233d0d835d9ec384382e2474456dd409bbea6554f4eafd54e9b36090ffc48ee8ce761c",
    "signer": "0x71527791e60Fc75cC5e5CfCB4d1e0d873986464b",
    "userId": "405958659"
  }
}