{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "352986",
    "entityType": "User",
    "nonce": "0xe0861ca788a3a8563f0d7aad2acbee2a26e58c526378d41d109d29f605989840",
    "signature": "0xb413d3b9a2391071b95ff8f8a3c863ab04c879169c887d85837747d287791d103b454b0708e0b9ebb6feaf2cdbd8685a96130cc83c52e124d117fb66c9ac446b1b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}