{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "303081",
    "entityType": "User",
    "nonce": "0x2c5e1d5dd99853d0e84934901586115ec9a43029875728046f4ce4ab2d58bcba",
    "signature": "0x5e60c336fb9eaa672090b88a1e437919ef01e0ac828c77e9afc9caeba98b5e155db94afbe54898dd34d591e8bc08ca340d4906ca99a416d80d6466ba5b633b531c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}