{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x53542f971aed9e3868310e3735abc303a59841d5349f66ca981ec2d8ebf16e22",
    "signature": "0xdffdcc104d20524e3e4c396f8a5674c5d87e412ab6273ed15fc027bc39f6a64254cf4cbefb3f27657b13a65d40c763f580682f0580b36d769c43df71b72170be1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}