{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x6b4e87904f33cc58e2704f79cd01deb3c43c149d4b66e3820a9de81bd529be56",
    "signature": "0x0fe3601d2e51b20450068934917eb2676281fd141efaa30cf7966e3844e489e67d2c6b94bccc23dae10f75f5a5ad01fe36496d74218e2285a5883f17cb143c2f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}