{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x25ce46c827049dd00672c491003761a2d9736bb97f23f8de722d1ff82c58f12e",
    "signature": "0xc27d13db4257e8e4f3472883670d47d0457e97ffd7d64a7c5ae46717bdc2da7548f3cc395720cd989d094767d3f1f4c028bae4acadc9c63f3c9d0f8b85f0bd951c",
    "signer": "0x71B8B1Ada9007B065F72f30543e6E310d061605D",
    "userId": "63219485"
  }
}