{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71351",
    "entityType": "User",
    "nonce": "0x67d9ffc7ddf0bb67379666595b31b15063a4529bb4606f6292a4b20cf895b55f",
    "signature": "0xb7734c992fc02b4ce3ddc2b9887200919183e4fcedff5e8a2a3dd1af89a602f35d7af77c0489037fbca7dae0450fe7fa93041354e948a2244020dd6feb2f17bf1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}