{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "494935131",
    "entityType": "User",
    "nonce": "0x79011f6137c00ae765adfd64cb693ad97c009213177df713232a3a24ecb47d2d",
    "signature": "0x5e1ac1f587e8b067715fe2be506711c585fd5e5e8fc1bd1b20537b31bcb162b77396b2627102e8b1f4f13b454d1b3fc8ca30c1a5ba048cb71cb740318c466be51c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}