{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593426310",
    "entityType": "User",
    "nonce": "0xab9eb1ee2620ff88500901387989b8429bf3a9ff84fb7116376b4e7a87e724b0",
    "signature": "0xbd1b6361e3585c1ac2b8232d691441b53429dda28ae62129eb50f277262b2e3805ca775007cc982357319d5086f0b2151c3cd2c2e606174d7d00f578eacb76c91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}