{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "725894737",
    "entityType": "User",
    "nonce": "0x1bcddc6854ea0cc48784a15785bf52d03eb14ed4f85affcd305c518cfee27ae2",
    "signature": "0x364fe07dc59e029d41a6c01de382350ce63c4f952e0e64aeb70aedcc8be695f0394d007245d7d15fc1d4149514d0aebf3b125773c7ee33d2c4f884bb7bc93a9b1c",
    "signer": "0x1E097836b696E63387992B7402dCcEF7842F477a",
    "userId": "525334885"
  }
}