{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72239",
    "entityType": "User",
    "nonce": "0xd22b9fb0d31f52fa136da008e9364d351ec46bfaa293ab37f67bef3543c09c44",
    "signature": "0xb2c37d1c06faa8d9b369f10a9e6232af54e36d399baf9bb3f617c50839a7a3137f7f4868b91f69afbdd5c73c98e56a1cf7db8c94dbe9e479b194271f2c4891e01c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}