{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571586821",
    "entityType": "User",
    "nonce": "0x5f5d83efe5287eacee2afe59550a5d25c42df245f204b9748fb0ed69b1df7994",
    "signature": "0xc584efa3cc1ca2e86b6ad4a73c37561ad52c84465fc3912a57ee037c492485c07028c2da9a24134f432a58163ac82b5708bee35f512eeb7a90e34f02a438f7741c",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}