{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17083",
    "entityType": "User",
    "nonce": "0x5285fb69589a305bd5ba80aedce61f9443f6bc036206bf66ba9874ce14530264",
    "signature": "0x4afb10fa272a00cc9b578bfaac01141a8bef3966ab7011ef2cb174b820025d5c55a822f54f24a490baf61b8275e47e11482b20fdfe4ad2b8117f061a2fd735dc1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}