{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54741",
    "entityType": "User",
    "nonce": "0x430c0aba94b3e1d724f470ccdb3e905c0063596aad0856193db22bc6045976e1",
    "signature": "0x7e435c96c07289e281217f604c4d5854de8fee751d0a69be77cec8df4416c75b1eebc647bca8897e276a19a89f60f6c305cd229f82c416533784a9bd18c1e29a1b",
    "signer": "0x8097f7562D3D2F9cbdBA391c45c0D376E438625d",
    "userId": "51978829"
  }
}