{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85748",
    "entityType": "User",
    "nonce": "0x12e80f0a2bdcdc5200b2d67ccdb217c2d8c0dbe3eb36537cf3c6e59b82e81493",
    "signature": "0xfabf12df1e3ab5b5ba8815c8e1ee17d3eca480bd12101b58c683236994759ab3431eba1a5cd00e57205e7fe73d4d859642db24dccfd9ce2c3aa68e0c7a07e5aa1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}