{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176556",
    "entityType": "User",
    "nonce": "0x97858583710a87ccbdee3bac9cb2c8c1f7c7690e79391edeae4fd9bb76d4aeea",
    "signature": "0xaa24c60f3a5e63ec2e7fe4171f821d8da9051f3f7b34d7b4a31c518e057fe5c220e41d6d45b61816e4c2da30c594efe4d3b4352c4422f7d8455d21b83724b5a11b",
    "signer": "0x9837C03EAdfA74365Cdf4e01e6840D356104bFab",
    "userId": "911622928"
  }
}