{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xa433d7927e238936af70f77a47665ce40ca0b4a8c713a2e072d8a4fe4f20dc24",
    "signature": "0x9fbbb24ceb755bd41b29bbbe181dac2563a9378073dae8f4f8cae890cb3c5e1d2633a94dba28ee216c671d9e4a389794517f3bab773dc3822923901ea542c3641c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}