{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159945",
    "entityType": "User",
    "nonce": "0x58995cd8695c8483c98234747b2d36528658a66588f9e6736ed8c00995966ce2",
    "signature": "0x8bff92b54dcfd6918328296b8ae138f5f5767fef06e73c3bf21f702e0ddb95f0769c5ed148435f39deed0a70090332a0424b2ead73c1139563d1ab9b91e493971b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}