{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346146",
    "entityType": "User",
    "nonce": "0x1f570fd6e7316a7f97718a327701e310b5af484351cf7ca2cde87b5e8fcfd53f",
    "signature": "0xeb30afb030da72c67aa24e07d3f190593c5683ece2fe97b59ee5d5bace188a471d972eee97b7128d73ba55e12a3dab04396a20564ebd5e59e2b1775247befcc21c",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}