{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0xf0e96dca2c6f8f05bb14b84f8cd5ebe8a1cd50f1140bf2e4a89c466712af4287",
    "signature": "0x78b0335dd926f817adefc6c4338f74ecaad83981cb0762469ecbea22e9476cc22fce660fdb72f84d0d3e18b4ca9852a57cdc7953eadb978437d2f14752e9d6451b",
    "signer": "0x97Ce19D122F5b51231cF4DBbd25Ac36CBDd6CACa",
    "userId": "426864186"
  }
}