{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394450",
    "entityType": "User",
    "nonce": "0x382be0347dbcc0efefcaa7885438ad0de0dc9c665dc04e02fa7f32f963ea6e48",
    "signature": "0x11b83634eccbb66beb2247cd46cfc1033a8c69b093275d39f1a8dcb8070034c0325ceee66fa5934fca046621d7d4c8c4650ec6a58e500c6826972a77129fc2281b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}