{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x421bd1fadeb1bc32c83a7bbaf9322e621b6a056571fa71e25f3e757dc89702ff",
    "signature": "0x05cd7c21cbf2571aa9a7fc66abce473b3cf3f9bb3423f5a4f11a46b6f6bff0540b214db9c752a1d89077e8390dbf9ea338c7571e7b78df7df4d28ef77c480b321b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}