{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "747272",
    "entityType": "User",
    "nonce": "0xeb5f3ed09d38b8b4b8f7864d7a572c6cb95cef5b2786a644cfc822766f7403af",
    "signature": "0x78c15af3bc72cdcef6efddc8aa59684acc30bfd9ac96f092428055e51ce9ca154e29d20f0a187fe1ad1463aab8696e1fc2ad218cdda72cabdfa5f7b65dacbeae1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}