{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3670",
    "entityType": "User",
    "nonce": "0xfc20de399dbfc158e97a2747fac8ebd24a136bf70cc7d7376b0a015046c60dfd",
    "signature": "0x5a1a4aef0244645ac4d2cbcbdff1f54dcb42ea38b361737ae56edb758032cf2f652bbea379fb113b74a32c9b164df0618aa34448d244d6d32ff2f198d98fa4831c",
    "signer": "0x010c3D5aF33aa5Cbd1589eCf8Ea0F116848D598c",
    "userId": "943632467"
  }
}