{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12737",
    "entityType": "User",
    "nonce": "0xa3a190894fe5ad93ce3778803ff47c3d4b615f1b65509a1af46cdf242cf095d5",
    "signature": "0x352863234eb2f45161aff36121f2163fd828124a9fd9f850a4bb5fa9b06a5fc86ccd80dbe473fd08aa163490896ff021d1ee2f5cf3b2178c694ad9b7095685ad1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}