{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28121",
    "entityType": "User",
    "nonce": "0x6d9d9006ec3068ab16e69964ce70df118ff527e2ffc287147bac04cd7f639a0a",
    "signature": "0xbe0ecad506e7e0bc4b7bcf8d870ccc3cdebc71c706d77d0f24aa2e3553dbbbc94d65cc0e3558579f5ad9f2fd96f913461266bfbc6457c824c4de36cba3c900461c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}