{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69922",
    "entityType": "User",
    "nonce": "0x19469f28ea1baca07e3cdc660a7fa21331961002d10ad4a497aa23055fa5397b",
    "signature": "0xa717b523ac2aea96c66da1c895789e0685a64d1af05c30642bdaaa9b040fbdfd1d34e6541bfce1b883257e2782178d2b324101f27a397c54b96c51727a9299c91b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}