{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389130",
    "entityType": "User",
    "nonce": "0x64b12e26ce6aee3888a3732dfe239aed5713c22233ce1b3dedbf723aabdcad05",
    "signature": "0x06a833152d7bf38ed93214191c58a59f3e7ae96c1afc04bad50082a5de09c0d13be5993d999ea78aba5af88fefcf33576c20b7886d2de329cf9cb847b989d49e1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}