{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127237",
    "entityType": "User",
    "nonce": "0x596bc3b705366346a44d87aec6c4cc73d2bc7411ad31b0bafa257da87bb1c038",
    "signature": "0x2c732646d09dadb84d0042ea2cac73519ba98a531cf2f43ca819e6bf619e134a092827de5d8f91c05a4a5cd34f13e7ee5ee1f07b6982df76153f0e0c9b443c571c",
    "signer": "0xE9B9EEdDb579478834256Bd35E42d09cfb754b1d",
    "userId": "281227"
  }
}