{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0x4555d9d2b90d3726c9549c449cd1ebfae0d0b9eaefb78780afa0ec0f562c7a01",
    "signature": "0x77e2e2c190807b8f153ad555847a4bf4f89d7cf8be1994a33b408a5da7db3847690c6fb6b59c97eaa09a575a2c54429d7304bc8ad441caa5bce7118a612603891b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}