{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "746114",
    "entityType": "User",
    "nonce": "0xff32a9dfa64213d50db422593dbaf16c65a8c5a21b1274de1f0b882c0acac430",
    "signature": "0xa1e01c8f17277a5945b2219df34f71d2c220e88331024a2daf9ed547bdc15b5e1971ec40c8bb6cf322e21207d49e0b31c83d083deae3dda8e1b74f7664472e471b",
    "signer": "0xdEa655B0BEDD55605f1a7F99e27f7c00610c0B32",
    "userId": "594690301"
  }
}