{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154140232",
    "entityType": "User",
    "nonce": "0x827d2db3e4164a34a75822bdb6a235f8bb532194fad456ee8148ae99bbc875fa",
    "signature": "0xd6b9f9740ee99182dc02e82999096b4af806efcc677c5cfc5f317932870c20f44ae07d6a7e56051c7b160b68afc604236673a1375b6912f4cbe40ef2597203f01c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}