{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373177",
    "entityType": "User",
    "nonce": "0x3d1db43b7bc15c34e232acbe40d6cece189b097f369b359b50d0cf4094016b23",
    "signature": "0x084fa67a1262ffdfd3ddf09ade7e3f779346e59ce8a977846272d6a0c0254f1703658f31835ee45122d7e7b2f4d03c894e62b6b1ee5484fa7ccc2906f8fecdc11c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}