{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1887966",
    "entityType": "User",
    "nonce": "0x7b522febb0e6978c31dd7cbc38911bfb913279b3650826de4f76904c54776f29",
    "signature": "0x6e71689c136b27bc0fbc7f8536950d55d8d4ee7d0994c50383615219828964c31e480d438fcc594f37a22f59d6b51cc41397bc85342f3dd5215db96f75b0ac961c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}