{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261090887",
    "entityType": "User",
    "nonce": "0x378a27ed5b1a0d4229edc72a1149363f1b318aa8ba93d2ed471c1c95b2b4fd38",
    "signature": "0xe2e1808833b075b1895e118e50943dd67864522f1d02965958569997c20a1a557145c45445825d9952642daa2372abf4f45b41c37491b61f3299985b3b2e21fe1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}