{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x47075d966c27a2239b1d5c2a6cc0a5a4ab72b980cbeb7cc4066b736f07a42d1e",
    "signature": "0xd1350da4fc312ad4a9aaa913ec4f5815e303eee7cf0bc002c62ea27fc05e7b58161af928b4b5aa4719a258dc27d593ff59c7fce3ae2072bb86b9018827600e391c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}