{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x76e6f659cc90bd9ca0ef206249b55d2b7c04e1b6fc034f1fb43a632f6ee8cf44",
    "signature": "0xbef6629329e8aec7c45c98c6961d0c9b55c70b823e4a3fc1519b282028a1e0305135f866a2b62feb73b8a9470339fd40f0f0847ea19a43a70f6c2e51111f16cf1b",
    "signer": "0x32663aA5eF619201cC75211cee115689C0152aa2",
    "userId": "865722159"
  }
}