{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65422",
    "entityType": "User",
    "nonce": "0xb53df43dc900c98f73c039c0be2e923905ad1ca070068b7d829408c4b816a18e",
    "signature": "0xcab7f8cf2d70f47d65fd2ce3143f98d817c9b69d62a6aac54e54a5880ac81eac76faf3657033ed73d2ef7881930f1539d08d3e9826fc9b5a214445fcbef9f19f1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}