{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0xd6e10cc9535a635abdf98c46678f241a1c7aae6eefb6be5923f9a8643c29535f",
    "signature": "0xa6ee5342f16b42477235be4572320109838649f6e31411b1779f8e27b1b4e5515dd94fbb06e4b6583cdd242fd2db630b48d4ac4da7df1f2fb003b52cb23228521b",
    "signer": "0x934E45BE36e38037811AEb6F8eD448164c45408B",
    "userId": "582278090"
  }
}