{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "298795",
    "entityType": "User",
    "nonce": "0x46dfcdc53db738ef648369cfdcc946580da68a89e194be70d4c9faf28027bd4e",
    "signature": "0xb86054af6327982c67b7896e6a306b59336b960ea38324c6c3a4eccb406113e11ead539993ea49173b071ec99d7f311f85c1c0f33e58b4dd3de9f1db9ec00a2e1b",
    "signer": "0x90FD14E5f569756111EE3AECbcE1AAb95c2A01da",
    "userId": "86867162"
  }
}