{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78120",
    "entityType": "User",
    "nonce": "0xf72466ce7d5df09a75b0901a82653a2b594f664d18898f9f6b18a0a6bc14394e",
    "signature": "0x466d142b7dca5d852c1d2b780f11ffae4444f17ae0f5a44654895e5ed0f0118245e90ee402f334201dbf72e4b2c175090ce27cda8c0d4d66a03e0e0ddcfa42df1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}