{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74752",
    "entityType": "User",
    "nonce": "0xef3fd7bca70ef1115bd9abdb80ca8b0c73ba0b07beec8c657bc35c189c1ef1cd",
    "signature": "0x8383370cc2f33b0160a949761bee4d6742a5e1fabaa6e65f961567fe568839bd07fc7e42034bf787c966157f30255a5f99892e952109fd7b0f9f2886ffee51ca1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}