{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145795",
    "entityType": "User",
    "nonce": "0xb74f7811a652e818f10b1f326e829a8a15c6a7a81a191bb0327020202b9d6802",
    "signature": "0x1ea4349c8054cc77e69db60358a8f8c5a1e8bd6320018843365c573ea45aa13a19e3f7b05a580d4217a9eab39384b795737cbc7a0a6ece563ccdfa31a3721caf1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}