{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdf0e5006fb7bd3a912b9df660e4574795c0941e3fff3d666c933dee3aeb0ecf7",
    "signature": "0x96f8191f42fbc41717053338df9379cac60ca61e4dd632a04b3afd19c4fd1bfa24fd47079f17f171267dc157501412a9604135f4a85ac55c5c685a6acde11f241b",
    "signer": "0x28338613294328E011543D25D5c1c4E8D2DfE382",
    "userId": "163746342"
  }
}