{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204524",
    "entityType": "User",
    "nonce": "0xcd2bce9ebaeb8f4d59552c7d7d9db3872519be5861069364b30284496ce58a48",
    "signature": "0x3e94a82bb54919ae83c302718c0cdd1c2359c047c5da6d0754b1e645928c1e907972aabb3c6b54cb7f68f98cbcda26facb13392cfbb188ff7241b9f6db3f466d1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}