{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2827",
    "entityType": "User",
    "nonce": "0x405d7d4a8e5dce5ca2bdb8990bd1e4b0ab76713e203c83019c5e82a94ceffc50",
    "signature": "0xb2af1a817e9b0e8377b5349c3f811a61c426f592003c622a38ae961d1b09dd4a750fd5a6f90f9ecb23a08cadcbf96be88da51a92d5732263a2aa4d1137e3ad601b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}