{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464976642",
    "entityType": "User",
    "nonce": "0x48da26f676007fbd3795e0944646f4f4387ee378b9f6c906bdeb56b90cf50763",
    "signature": "0x209847e1ab9f6e1494d8c130e3160b1f234057dc51b039a64e51609b3077fdb10439fa31be61800aa0e270df43641966555c0e8077c49daaa5e35a5ead6977021b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}