{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "693365797",
    "entityType": "User",
    "nonce": "0xf7d14a973bc0e0d53b13eaa711530d66f277804004058b3d5a3ab7b6f38a076c",
    "signature": "0xd9ee4198fa5ca1c5a606f2c8e97c348ede07269a4d40d48b24c28cd617d2308b6a05a6064889d766eca3aa58aa1c7db36e62a3f63fe28923d894bc4c1b93bd891c",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}