{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0ee35d96c5406865d782ba1a4a29ef82c5361fce8abcb97288d969582974f70f",
    "signature": "0x625ac3c9bcd85ea75e9af025a6661fd2baeaa9e17367c3b5b9c9a0b733ed18974fde586c967569a6ec978010b2abed0362fdce1406f33e4a6c13514024ca9e261b",
    "signer": "0xdD3D3A7Ff937141654da2491E97588BF0fFBA291",
    "userId": "837737845"
  }
}