{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1511708",
    "entityType": "User",
    "nonce": "0x8160e9f10726e0f53a46dfaad925ea3eccab7f36b46f153d0e94bde8552ef244",
    "signature": "0x33a51fcbd8fdff21f1ed5ff51caf6c2842549bf34c2754e116722dd99281ad2f31165b2bc194842b38033f28f6cba6741f029e46126c176622987552f3a764c81c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}