{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0x8178899127056a2f29776dc3d26b80e31e1f738ec73596879d3272d9cc633f15",
    "signature": "0x84d3c9727d0797e0fdb99a544d31f48d06f7f088db5333f07aab4d6823814fb15df92d66bdab0f1faf821936464c238439508f5c0920348cc478defe63aa0d131c",
    "signer": "0x72C3229e8a009963fcCB987460463895a2989d71",
    "userId": "109371348"
  }
}