{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0xd71941898ba7ce44fd730479645370afeaafd852363c626a63dd040a0e2190a4",
    "signature": "0x7b27317a5c6c7fb523251b4273288d4e82c9aa932013e93b5f5a961b783f4cc74c6e52f90a94f6f7ea977fe748d235c4af8a87a16d33878dce0771f0b8531f3f1c",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}