{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "624315005",
    "entityType": "User",
    "nonce": "0xafcef72281596f55dc0e0c7705a3125b7b3492d6cf5b0da2fcfb151c4158d0c0",
    "signature": "0x6fe56912b2aa16584217ff2ad765b8d7c10abda1e3bdbff46212ea152e7d554142fe2a83c0b6f3a3e8a8c3ee0f63e7444dd8de00ed2f3a4b39db95758195e25a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}