{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "463741311",
    "entityType": "User",
    "nonce": "0xa835beead3f40c6d6e5e976f4eed546ac17d5ddbae6174b2b985998579633e6f",
    "signature": "0x712c3df71abd33cd6b858fd89a2b755aebc6fc93509f2f5b9a24f850fb0d171d08008fcb30a5faa8434b6180246409583878c2c22a8ab5fc82dd7e33765176e61c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}