{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55402",
    "entityType": "User",
    "nonce": "0xdb6243ae0f5b06452d7679a6ec0a39365d6c2d3ac53ada22c431643406a4143f",
    "signature": "0xb541901861ae604fd7b31ae28de0d68bda0b71e59714c7ea9ed520f4c8b071bd5b15918bf693e6337aff4047dde801f6bd31be7a87ce37f1b2e44e5d21179c6c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}