{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1497323",
    "entityType": "User",
    "nonce": "0xaa33a9a2ed141183a114c85bdb24c77f91f7f2576f928a8b07ce2bf6ff8785ec",
    "signature": "0xd112091cbbe1955fceab04505bdd1d51fe5d76499de312f624d0cd4ca03284900653df791cc07259a2b8295bf2f3d3e1359062f67a06f2b85c07a375cf840db71b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}