{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfeb112b85503cd948c1e249bca52ca8a9b916be3ed378d65c0148b0e2933a356",
    "signature": "0x9c76d6e2c70ecc5d339697dd1d472fa37d9a28526ad38648ce39097786128ade70e91926a38b3d58661eb32ce6b3a378e52a0236eb34652eeb5248ccc1032e711b",
    "signer": "0x4E388A7D3A53dB2904B69c2621235C4C121CF61e",
    "userId": "795665604"
  }
}