{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0xf116759e2cc2bbbadba9b5878235246dd8ce0ce3353c3e73a947ec0944bdd9bf",
    "signature": "0x52e03ec5fc164823c5099a499aaa5d2a5255779ea70e1e2a885ea3fe3dbf4f262bf0f17a9e324e60bfee15f9b13efff6d04c5ee18c5ed3cc5bee9bd1a3862d1d1c",
    "signer": "0xb2B3D446C5A606ee5B3e74e77EE3c96634De4a27",
    "userId": "399675354"
  }
}