{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "437224383",
    "entityType": "User",
    "nonce": "0x7d804a8caaf59e482e0a2d9a11a1bae4479731814cc7636a290ce93ab8f29fc0",
    "signature": "0x77dcba2788847bae23003f60db79a8cf48b162a991382ad271d05fcbf82d80c1720a072f307043823e3fd9ff70d3c43ab98ecc07e4f36f222739f4f3f3f08cca1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}