{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1dbcc2710b375a060a68f146fbae70a4f982e9cc5a4d4ff4fb00025417ac0539",
    "signature": "0x2e05296bf1d917fef8a344162054bc7d6c02978e25b1d33c32fabdee1f241b49071f0e37b668b0c3afad24cba4bdf1f2e81473acba5948a9d9ac4bef2ca94db91b",
    "signer": "0xc693F85Da9b70D8f43a51f58F74D6051c3a62da0",
    "userId": "361053479"
  }
}