{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185615",
    "entityType": "User",
    "nonce": "0xe38e88b6b12936560c0a0ce7c03b52b44f87aae199642fba008d1a685140a914",
    "signature": "0x5f8fe0cf166e9afdf5d3252b222816d6e9de32fc44d90b6b6a647a94da75638713aab58b1311b27d5274f73a27c48f29db2d74d2335b2ff420a06f4f8a98fc661b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}