{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2038081",
    "entityType": "User",
    "nonce": "0x61eaf0171a5b3f18340475b03e23d2c98b009307326bdfcc7cff7740278325f1",
    "signature": "0xaa0d1c0e0f2b23471e708e8f724897e7fa9880c4d8a2f320abc1f738a4c85cc1232209907ed9580d0f5c761298ab3f9518fe0892e06abcf1e96c7144924fc6021b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}