{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80664",
    "entityType": "User",
    "nonce": "0xb24d60629ba8a39c8e8d9ec8228096841add0ba4fb5df4c8ee4b1bcdc48170e0",
    "signature": "0xb747bd4917a1a454bcbbd6848be0231b470082ce6e20862ceea02415694f02a82136bb21b5056c5ea7c8379024c61cb95d632f465d5b085bc4d79be756f6a3d31b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}