{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x8a3b94b59cedb49943da402546221d1e820d802fe0143b4a29cdfcdb7c4f6efc",
    "signature": "0x954972aea0692b81d95e32bb8f7ad0ac3c4ba66b93ca026c014ad634180faa6c24dc9209568be17d523db11e544f10fb029f030083f7846d270ee978c8d9a0691c",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}