{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943606732",
    "entityType": "User",
    "nonce": "0x0abeff934e3dabe22b5d69d2b44be13dcd9c21e9e27bb1d2e7d364ce5a9a0e96",
    "signature": "0x55de58ee95eb237fb207fbddd979f2549aba406157b609d4b342dbf72ed8b0ef116e09dc48f39a36d177a6912458a01f43200c826babcd3bfb2074e185ea05611c",
    "signer": "0x2F7db4C1AE3922aD0f32CEdED1870278dd17b64b",
    "userId": "467213409"
  }
}