{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0x7772e1c9966b23c4b668c02c06ba2573c7ef67cdf2a287c1885bbe7e7dd64194",
    "signature": "0xe3ce0d17f883179a02491f02b2f50a6e95bbec29160032576570ade73b50a21d77d6c3883b41cd1cf19472b2f4d436289ab4611f000400bb042943b685e545ac1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}