{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x73867254cb1b13ca4f58f2fadc03bb6e8be7d1e18a62871f9a3bf9be516e3cee",
    "signature": "0xcacbcc351d417dba0b43b5665c833fb0cfa72517baa265dbf6b2e55bfb6b822029cdb65a6b558a9adab660fb685cf989a0ceccaffe868f4df98c16a011dd17691c",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}