{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "173199",
    "entityType": "User",
    "nonce": "0x4c922dcb52d7533744c7f50bfddc45f68a6bf517071023c2694825e19346f0f2",
    "signature": "0x6f7ce759e7e8c38bc9cfa505e464fc8fd8b55fd56d535ffb74acd27f7da622814fa4f3172fa32c5d7a86f87a9158486b3e69d80d48189671454c9b709df112711c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}