{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1471974",
    "entityType": "User",
    "nonce": "0x597e6570798c019280b212dcab2db3d5d1dd391d8106d99fecbdeacd13727ad1",
    "signature": "0x890c9a2c66e7e6771b9d0195f2fa144c6ea7e87b6842e68c7a5f8d9b0c2025b9030b7cfacf67a526f2b453d5c3f8353ed747263cae7e88700ed4f27e396261441c",
    "signer": "0x6b806bc37531815B97B3558Be84fb34384bD73AC",
    "userId": "296466357"
  }
}