{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38927",
    "entityType": "User",
    "nonce": "0xe7e1218f112570725131529feafe286f4bef72c9a3a02b73c40ea846fbda1524",
    "signature": "0x6a414245963683dd398a9f906a4e503903e11655c9687b453a0d482de1e4163e16457b131bd9f0b32d7d3a15126ff6561159b47313d99682fdb8026a964c59091c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}