{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127237",
    "entityType": "User",
    "nonce": "0x18cbe74f9efba286e4241b5448cc9d3d877ff28c1ffb02c7cd3cc5fd6ba4f633",
    "signature": "0xf45977194dae4a945764dd8586327498cea57563c435ddd0674c62005d214c265923e192855489e20fbccfebd62c75ed912b281f20a80dc4a381c07bf8bfc8771b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}