{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113",
    "entityType": "User",
    "nonce": "0x5c4e1ced68c2968d1d0d88875779b206ccca9c4ba80f1cfb29c24d6ce532b0fa",
    "signature": "0x8c927d7072a8251f45f8a79852763c571a1efc0d09172a0ea021f7d4d57712041c7e13ab0829d46fdf37fe4f90e5650610dd749be72af88f5552e68e158de6791b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}