{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "710197",
    "entityType": "User",
    "nonce": "0x0f9cfa34ee5773c6f3a2fc6048bad0ac73a0e2ab17e35c5fcbb9da0352aa6700",
    "signature": "0xc8bb83b2c23a1278ac2ec0c09d295df11e22c796312b355f2b59dcb0122dd7500420387dc1b7b45f9d9105c1dbcedce4a6b00f266a40cf67b5e1c422023960bf1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}