{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59719",
    "entityType": "User",
    "nonce": "0xa949ee8d6d5eb7caf95d3fa8bd730f664b67f63cb556f81ee5f16715810d285e",
    "signature": "0xfd1e26796341f666c55ecea08bf8c9af77b93f14c2269b1553a7668e55cca6743abf1028a53314fe9445c48c9f4ec855d2e56b048c1aa4ac7da2cbf4ec96329f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}