{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xc3c4b085ecc4b8a3d50332de03236dbbdf2adc90c42742107b33e14dcd39d982",
    "signature": "0x158a8932d73bc7c6958dd4e13eea7d43d33b17219b8fc474b1c7feb3c20f0079400f6681619a967501c3a9caa0332817401970464512482268d9afd9d18eced61b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}