{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77481",
    "entityType": "User",
    "nonce": "0xa8d533799e8fa1375b56f248b6217f66661040e80e9fb52aa9f7895e065fd2d8",
    "signature": "0x3239ee539f33f70dfea610823524b1f435c8d886408f470e0cd503c97c1e263e7e41448ec4536e1b1885d80d12813e8a8c6567a94886cea31fa06cd9245b7d0b1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}