{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925185867",
    "entityType": "User",
    "nonce": "0xbaa77736d106ea0f529bab4f785cf9965b2b0273433997eadaea11f7917f74c2",
    "signature": "0x962f84f07b93945734c815bf93bc05a1c9c4ee67d5dd46465c8f356f46a190f03310deaa12bc8702ab1d84934bfb90561894a864f254766843c3d28611016b1b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}