{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55430",
    "entityType": "User",
    "nonce": "0x67911ec8ce103436b26e1c39067a40d659de36cae35add2b0109aa8f6ed0160c",
    "signature": "0xd83ae74b2e551e0e91c92ddfb79de9d269bea48c9ef4b0ea7aa2304c3d02fa715726087e4109c67a005fdf452c7846dc1a697f7e7488b67caab44943fadddde91b",
    "signer": "0x3Ec98fFA47eF7773803b73964753B99Ae2D50f41",
    "userId": "545926315"
  }
}