{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x071357b9f98f9a3dcd5ea2ba2c3d248bca28722e685e44dc8c1667a7c034f070",
    "signature": "0x974ec6574f8d2f70725e945675d2c737a2e76997b4d053050884bd6225b417687f4f1df3b87bcca0d3e0452ad2d9ea1ca0ae78a3302f5f7685eb5ebe2ed55e891c",
    "signer": "0x9e170ccdBeCf0871259759c43e12DE99fcf47Fed",
    "userId": "898176077"
  }
}