{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "411390451",
    "entityType": "User",
    "nonce": "0x0b8fa502921bd6a02b30356e042b76874813acd41de57b90456a3138f012f064",
    "signature": "0x52a40fcff762a09afeb51026534335a126bbbb6cf2d49866cf482f31df86d3ba110c7e4aa8b85aeb7a721d20fc798fc9c4c25ab28da585cf31184536b3d209081b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}