{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159054652",
    "entityType": "User",
    "nonce": "0xdb1a091174759890c951b98a9d4a2de0f6681febefd5fa9477b123dc364c26d7",
    "signature": "0xf9abb66381868097b558d61d33752b64960e7f9ec2cd365bc0c0f2562e2ac7fd541fca956ba610cd67d00c2c55ec4b5dc5f5864d01dc5328c78ae8303d063ad71b",
    "signer": "0xd14A5CCF48f7bcDef7c2224fc03111185A2aa6B0",
    "userId": "179469744"
  }
}