{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0x4deb88798129a470971db28891d1c64e404fa2708530bbe3ebbcfbc6af7d9e9d",
    "signature": "0xfe79d9855ae60f84810b28ca347c9b470f5d620f482a2ef5a12c354e850bbf1859c3825dc7352a621ac0290c24f7fbb32639b693a0097dc9fa4223d818b5fd7f1b",
    "signer": "0xE466248f391B5f99247E259e38d4f898225001e0",
    "userId": "260762194"
  }
}