{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283535234",
    "entityType": "User",
    "nonce": "0x351e3927fb8daaf8996c37912eff538f16a782cd57cf2498406dc947265d8a77",
    "signature": "0xd5c2c12c8937c8650864c1dd8188b4712de28d2948896c7c31bac679b453fb2b6e718ec2bbf36c27b7c81c1cd859cc461066aa8a3e0cf09d32be1633755bd2f31b",
    "signer": "0x8d9D00A94c3B1C9992e3CA4386AbBC6345B2E876",
    "userId": "396658415"
  }
}