{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323503180",
    "entityType": "User",
    "nonce": "0x833eb50c4e4ecf1237c58e7143d039a95fac2929a612f85192f3372c52d21946",
    "signature": "0x52bc08e8dafdc4eaee12203975154e7429949d51e8cdbb46035de0996c3a31473c4c44e439151f2f04a6c29da1f28b11f65c30c53b05d9170ef1dca51db8a3bc1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}