{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1591061",
    "entityType": "User",
    "nonce": "0x9e483cac3e5919abe33e0527b794e38d66197374cc2a214187f67ad3604e65cd",
    "signature": "0xed2096444917867481db17454110fcd7cd46449a2a593dc9990416fba41ef5dd7a26804bcee7642d9740645c1731811192222a1527d39588b6ae748a707b7cac1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}