{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175670",
    "entityType": "User",
    "nonce": "0xcdeb6495c555c5ea90d93bff8a4def7e796648bae32169179a87308a8c8eaf9c",
    "signature": "0x57c705f3478d23a2110bcd38ea5048a2fcb7e3f97a9d33d503e32491c27c99a16aebc6e4ec2f625176ddc4b1140c108ff2938a9d7efcada64dc341cb363f5b011b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}