{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xac725710b034c7369e2c93df3e35e0f8f20ce143bbfc08af539f352637fb5cb3",
    "signature": "0x39e57fe5edc2e919a7b677256b1b45b0c910eaa5f03074dd385a435df22ce8ae7230beb1d421e7f1eb39a4f40f5f7cb3b6099eadb72afaace07c37dc6dd9be341c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}