{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191864",
    "entityType": "User",
    "nonce": "0xc70524c309baaf68ce4cf7245fbb6e18c8fbc1265d5a8f6b009bbe588cdd532e",
    "signature": "0x576b4f9014f49db98ca5e806789d48f0fc7333f1ac85dbb675aa3200bcb07f06579ae7eb5c51976039488d54c6761417ffe68956672ce22590211e81725dc8251b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}