{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137494",
    "entityType": "User",
    "nonce": "0x0098b9df893dc3412702ccd3bf3f00cfb04c9977b73721773d5174e690785442",
    "signature": "0x9fe30180a59ed9e4e453b526e6ac6725b7caef93c0e514a2e5943013c58955853cecd85c3fe0faaa892a889cfa7a827b4b344b4dbdc553daebe7ca5d3e407f9e1c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}