{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "734009",
    "entityType": "User",
    "nonce": "0x94d06ba15b54991ef1f72e615cc6f5f6f919a003aba1ee4f0baad7aa0f91107c",
    "signature": "0x84968b97f79061fc011610a453e6a270daa15c5a57ee5b98bc1d0298c6bf8e71522dd4c2d4e1bf61f85546fc6e4880ebdaee4ad48a24f64e36acc763d16668a01c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}