{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2195",
    "entityType": "User",
    "nonce": "0x7ac91d609592e05da9d889ed8f4d3b6c7dc7b970ba487c3d6db48b54bc0a70b8",
    "signature": "0xa418180ab5dc901d8ceaa689f112d482c9a99994b80c410918f1788c13d92aea7d6658a6cea458d99bcfbbae962845da3cddd4a2a1bb4994709e4580ce4d722e1c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}