{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x7706858ee44319892eed06ac93bb7ed807569311a51c6c2589a3dd3e2bc8270c",
    "signature": "0xa202826db203ba1102a86c0082833aa514647a0689c5aa7f8d299d489ad0631609751356c06160888c783046ee7a774a6b489d6d12f97d87806b7b161047a2ac1b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}