{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39496",
    "entityType": "User",
    "nonce": "0xbad30745c463745e08d23db57348ffaf9944727355e109b3d081901fe4c1f1a6",
    "signature": "0xbfb9ee457c76d533a672b21cfb651d4a2a0f56cc45f4cecc8cf94ac1f12b23c74979d68b9a456b03615b269b4cc640b9210f8ad05943b8f538116ccbf04bb9001b",
    "signer": "0x15F044DF87A440bA5eEeC6D18C219f99Fe2A80b3",
    "userId": "909119422"
  }
}