{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xce339a2b3598cb51788430cb657f1562483986de4313939652c0566b6ebc108f",
    "signature": "0x784f3a56276765f91e30fce205bd2569e05da2d1608c2cfa9c633278e493aa511e0cd0807194152089f5c145dc378fe63dec73c4a560dc4e5e70b640d3dc3b911b",
    "signer": "0x12179dEe823eBB7F6B5cE1c004C6e2648327dA61",
    "userId": "82672532"
  }
}