{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120087188",
    "entityType": "User",
    "nonce": "0xf61dd9acd9d71f04efdb6d8ee21cd7ef7cda7de5f76bc9995bba0f6672049bc1",
    "signature": "0x6b801311632336c2b4cf57984d9b733853d8af2840c2f128945c909a0923a947139d4bd46e4a478297118995ace234e1a92dcb37c7d0253e0de5d356718d739d1c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}