{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x65b80bbd538864cf505ee6a113218ae697d8adb31ceaddbd9875a97e484ead4b",
    "signature": "0xfaa5aba236893ee6c2e183235585ac9fc6d2d39a9dca1d0080a30eb303f20b9d1ff08e33c57848ceb97f7b4045b822bec3d19fbfeeeb600e0f693e079c002a281c",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}