{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71220",
    "entityType": "User",
    "nonce": "0xbd1b8563d7f34793ccaa1b4641947d707feacce06cf96cefbc4feb75af201df3",
    "signature": "0x59080f64d2a950d89c6b665537a2f157f283f06ef6ca1ebf269098c5a011832a2eb6c6ea505b4b764ba21f094ddbe0b434b58d8a213cbf9b1f2223887c9676471b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}