{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188206",
    "entityType": "User",
    "nonce": "0x8f2eb77281d92c8eb67aba3776684108cbec83621ebf4330d2e819f773bdd26e",
    "signature": "0xb1a38e5fcdac7509f2a8661d1360e9f03020e4e724c4d0b62779ba59da38c19461175d1dc71d9c644a02d2d36ae751a026e7f64bb02609875a5e16290ed980471c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}