{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305652",
    "entityType": "User",
    "nonce": "0xcde7202924b0f6b635f18723b1abbf3e44b4ed07ff74be385a52689ba9f4ff61",
    "signature": "0xf9d0267ade93f37ebb6a309ccd72ce980cc615be6ad32ccf51961499f259d11e1792270d5c21c70b4a411a9fd5bc3c4cc84578070e315b7cf3bd45f63a1ddaca1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}