{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1254168",
    "entityType": "User",
    "nonce": "0x76e8680c3f1d28127067eb5af268f40705e34fc9eee7bf18a498334bb9462fa4",
    "signature": "0xa44045dfeaf46576c16ec70495d3f435ffa53975ac9eae075f6a86f44f28367e33e31af09823b77ed77a7dfd7c28169e4e4487684f0ddbfb914fb7ca309604ff1b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}