{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x07217808fc61b0c3ddc8b0b00e8db411168f6839c4de9b78e3b346c1fa6ab3ea",
    "signature": "0xccde20e30c437aeceb733221e58ee9ecd3a0306e698254255b49dd6fbba1d10e405c51b1896cf1be3138035e61ea4176902844a7712fd300fe49d4236880abfc1b",
    "signer": "0x3bAeF837369bF35C2ED81037444d982a8045bccd",
    "userId": "631423161"
  }
}