{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "675830993",
    "entityType": "User",
    "nonce": "0x22ed3b0cc6136a830b1b135225de45300c2220531e279d2d57ab87320b31c907",
    "signature": "0x2aac1b581fb56cb66034c458567c1d114f1af592ad4c49bac06c015a026f4cc86ed40100359d376311e8a481d6d83dcfa3e7480193396473c7b0bf8f73eaa0671b",
    "signer": "0x086d965C79e3B8e6137f6e832ca894e8c012e3bF",
    "userId": "845727327"
  }
}