{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962626737",
    "entityType": "User",
    "nonce": "0x03d36389f8429aa8c953b3265e25f8956ac6c945370f9c21d662813f3ad305ba",
    "signature": "0x24e305e298d431601271264637448922b46ff9bd20de15ff6eb8c7d26803a2fe622bf6661ef9148abd5938dd4d3d1eb8f698f73d249eac0e4a54ca6211dc2a0a1c",
    "signer": "0x21370B7a703524cC2941323C2c960224021F8D56",
    "userId": "986168993"
  }
}