{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147204",
    "entityType": "User",
    "nonce": "0x464c845601394fcd7872ba2c39ba7636b5081f66d5086bd1aa9f83686312f3b9",
    "signature": "0x5bffe1411ea975325c54cb3db09186f2c1cd7c1ff2be152eec0b7d3e6d355bf25885a4d09b7212e41951f00805fdcba0a533277f261321079b397ab7e9708a451b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}