{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56534466",
    "entityType": "User",
    "nonce": "0x9515b72d769a5aa0d0c50b5104533719b6e6a35a82cc987b7c1c3ee01bde76d7",
    "signature": "0x267c773f5e26f427847bbe9ca7d23a4219ae1463e987da8f785e44d6c8e0cbda2bb46b45250c8b1c9ef8c9a146d9d23dd883ed9431f4ce19e5e1fe3ef9e458c11b",
    "signer": "0x0D2c1331F52a98aF1Bd206E3C28062E717CA9E51",
    "userId": "597927803"
  }
}