{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xf2f4a219730edb42c2338e58a7639b74bea617df94e5284df64daafe1c4cb37f",
    "signature": "0x4bc40ed79c5cc5bee15cb11fc521a312031955fbdc8e8bca65056c85c2e4018351a032e2b34358730cd8370bff3d3162f312c156ccfe7e0483dc50512d04e08a1b",
    "signer": "0x175A3bebFa14E64C549CAc2962191B2B8C788421",
    "userId": "6270901"
  }
}