{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "799948905",
    "entityType": "User",
    "nonce": "0x5ac66677e49960f437058feaba7a4915c4ff3532654c1b553351bdd0033bee8c",
    "signature": "0xc516ebf46c4094d01f371e3d73f30fd9e17ff41c2c7ee53e26bf4c58d43ad97c60c96d192ba29207d128c7cc3d0079fab661836c4865eb98afd86cfead994f971b",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}