{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x006385dfafedb9913a99b9dc3dca0263a5d5357805109dc52e7c01f4b88402e8",
    "signature": "0x0f2590cebf7a5338e83ee3a8ca549ab24c51a2a7ef59f9dd0b4f168672570fcc12df4aef7f44a72bd5e0c2a55a4f51e15e6c831eb98c694fa2a645628cf04a051c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}