{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x74c1f0bd84d3158d65a0cd8f65d51c41e1eec086933b8ffdeba7104fb34ded67",
    "signature": "0x0cf4de752485ac820c7486df5146535e66b7662bf80fc4d1194cf4bc1d1ea7d83591abd5596eec84080bbd623900b7072c20c6cbdca0f9ac50afe429b3f73aa61c",
    "signer": "0x4C413aA16AB0452da796Af095ae4D4C4B82F5f32",
    "userId": "44882442"
  }
}