{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x5e1769a442ee67af57951315a2e60786153fd93d378de2b9df7b455ef7b02002",
    "signature": "0x2c0786ae29347d03fa951cf45b809a7ebb16c35a2a28f9fe6ce47e4317ed238d569fd8602e6f99bb2f335e69657cdb6d793c3747b2d6ed2f9ffdb00275a7e70f1c",
    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}