{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "451684863",
    "entityType": "User",
    "nonce": "0x7e8d162127d1a75667d9a3377f6ed40bae6fd90862c3b3956c9d8f6f445b8799",
    "signature": "0x5b74f0fcbf4bb1d387640ee6e2440815c6eb2c3f22320ae26e4bb8ee5c6dd23540618ad13f05ea1a44b9e30459f516df2a4730de917c12122f7ff506dc37fac81c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}