{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73538",
    "entityType": "User",
    "nonce": "0xf4f445c9bf67a85efbaa6193cd8e0d0de390b526e6a7edf32858512a5b048dd3",
    "signature": "0x2b0576eb7634e29af6355c7e5eea6da7228f5e94dae327951bba70157b7e36fa234c77119247593bc38161a35c1046221d65170ae5c1c95cdca7c5ef5ebc0e2f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}