{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc4c4f6dff3aa0dd974f9253a3d3f27cbd1918e59a10ac957d364c63c3a9412eb",
    "signature": "0x4aeb522fd775c155c89bd2714fbd9b34a35aba953e9481d2dbc233b26c19706144f3a26eb7ff70593c73c5f155c86712f6e7915bc03a82584d8ccab04b29505d1b",
    "signer": "0x46F59BEBB575F9629c1B4d48c6A6773A8B2b64A6",
    "userId": "776944306"
  }
}