{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6a43f920cdd50fdb29d0ea0b85350c5826d12cc5d9763748aa9b6d76a55baeae",
    "signature": "0xdb53a6f42a1830bd20a7ae32ea37f3e5235ffd7ac888d3097516fef798eafa103f645531a5d650c8ce1cd5e107bd5e2b534a2d740628a0676bcb7392b14267781b",
    "signer": "0xd2044287AdD8fb72f96638d2D59340ec3bb411cf",
    "userId": "5945671"
  }
}