{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x9499bfb6e12d011a9c20bb897838f1b6f12f4c704ed198524a799048912060e7",
    "signature": "0x86368ed7f02fd5c955c0fe7e6861785043429cb9f46c47df29ecd722fba09bf365f4350a5b33296037bb17f499b0b1dde9da9f6c6e07b9852c367ee99cc9be081c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}