{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104457",
    "entityType": "User",
    "nonce": "0x2e77d60cdf252f83632eb1e26724df3b71f12352139ff1140a7840eca3a5bdca",
    "signature": "0x55372526566b63168cdecba10a4907aaee63016d433f4fa43d1304e7d57e6fc02796d395f09f2438c4ba3624710a1ae10e9138e36afd4b1bc90517a74f9513d71c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}