{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167465000",
    "entityType": "User",
    "nonce": "0x945401e071c20f15af79cbd2d229abe3522c35b3726599a0b19a03a8097d872d",
    "signature": "0xd8ce4689ebaa4adec2c70b92d892f0633d508454166f4b7a3020e73a099e71f76baa31601975af7a414ccbd8c5b06268da8eb567d0dffea2676863440120d4fc1c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}