{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29136",
    "entityType": "User",
    "nonce": "0xea4256b74805dca18c9b16485522dd7a809b149f77e507889d781c4586be7313",
    "signature": "0xfe3612ec3bce63683cc8e93efb60fd24ef6de90becb203f11502b259cae5e5bd12dc5a5dc84246c46e2d51139e4694785bf091c03f0b75db43e9a6cf5097c3941c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}