{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x468e04577b4cc62270cb6fc2d23456b6a21db71eac84f96d76df064a4b7e9939",
    "signature": "0xc29a61326efb5bf739fd786ab52eab3ac0c24afdc90a7df12a1b3bd0f0b21db97b403e188f72f7691874b09f66a51c9836cd719cfefe2ae0199bda03aafd7c731c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}