{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54164",
    "entityType": "User",
    "nonce": "0x36322f3482a05409ec9dfd4ad7e67e899314d28af8d6f6eadc3330b3434d6192",
    "signature": "0x29cf0a86c492b28c62358c2859e639576ac68fc6e7ac5e7db780843f4f0b2ff23ca0ff4d04a54013f9d42f0f44717622a9f3153fc9c80b078b288e0286fdae8d1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}