{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "474346",
    "entityType": "User",
    "nonce": "0x512bde227ca6496f972f9014acedfa44fd983c9aa84bde76c4c6ab8ecafb4bf5",
    "signature": "0xc0d830c47787cd4fda2521f98179cf630c668d5c372d0a19177c69ff2f861db713c0723afea5844369a5cde8ab62bdbddd4b7c59d76dccb53c47ed0af0de23c61b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}