{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7c8683085f61e8baed9d69ca9c612a2dced9b6f770cdfb3f2b9bc8802b95d342",
    "signature": "0x877314392d3804950a33a1cbde7288e50eac88be465b4708ac5db2145f5cfb9e39d5bba5db8c17ffec979c12a6256eb7dd017b09124407a0720e8d28f50e14181c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}