{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0xeb70a999fe5672236c8a4479e38643c112feb3b6ba6bd337f0dc091fa7bbd7fd",
    "signature": "0x9eff95c958698aed2a923fadc46fb077b6a283354539f7926a383ae6cb8e3cbb26fb04f0ec0a35af8a245461ac0efb3fef8df5086fb6554be126af28ef0df82e1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}