{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132959",
    "entityType": "User",
    "nonce": "0xc197c6655e9ec729d802c68b3e95e005f9c59cb2d777a9a21dc920b03730b0e2",
    "signature": "0xa13e1cfb1a85b115f8eb73df39ec90e94cf2c0c4b34bf4fe2131bb9d62b3efec5d1e04e63a2a78f44a9bddf422d565235d2c97ff3d3c2e5036bc33982f00a6311b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}