{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x60c95f243e9ba82567491381a7a10debfbe0504d29e4ce6bd64045a25f8dfeea",
    "signature": "0x0f143f51b565a3a33050ed36d0d1966868b37171ac6dcbfb266d1fc13c12842f7b786d1a83fc25e2d0c6c1f2a76ae43b890f6df488ea54157bd03fdfaeb2e41b1c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}