{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x5f4ac13d48d414ff87c610a869e177d742a60767c6c8b7e1670b7040725c14a8",
    "signature": "0xfe2e6557115586c0c387ab3c5f040f2c6fe288a85d44bfe3141223c89ed01ac3553be18f109be9178c1fc0f99addb1566d7e7743ae0f725d4ba7d5d0eff967b21b",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}