{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x21218df53939c9e6fc8e0dcae1251502c37bfcd525a247e242e5640b7c740ff5",
    "signature": "0x626f511bc3ba7c22a201f38750b72b267d7fb7aec741cb0b221482db072da614533634161859cc65283f981eb6cde6bc0a55fa4414d062a23909ea5c313e4b5e1b",
    "signer": "0x70A9a0E82E4d8E9b5A6e54485d9971dB8D5910b8",
    "userId": "306603"
  }
}