{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104699486",
    "entityType": "User",
    "nonce": "0xbf08a98339e05e44b6a05d5fbbc7270f8f8768bfc6e133209f6d86d73b5e865e",
    "signature": "0x4269016e3aaab87f55c4a9dd639422b1164aef1441026ec883d68a9e511478f9730ed2b369b13ca49ff2bf670203b523293b8e808f577a9fc7c32de0d0b1c3dc1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}