{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x35b2d0972653fb37de229628b0630c5c12fe880a7a6068f3f5584fb66988874a",
    "signature": "0x671b183793cde893cac561b14c06956df9434adf65560b8191d52e29bb69cc1604b69a10ac14279d66740d2834714ab13a73f182cd05bd68ba0c63098dd8bc811b",
    "signer": "0x801cFd101977829e8D371a77d53FB980b2BA75f4",
    "userId": "611862968"
  }
}