{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44168",
    "entityType": "User",
    "nonce": "0x3c18f35152930c0c8cffe508a58442e340dbaef8c2704852e0867243d2cc0eb8",
    "signature": "0x5c915bbbfc3fc9bbe2a9e4bf7bda091d2b390a5fade667623987d9c1c2b6894607eae528ae1d66f4465d1071bf58301b593229dd78b892fc37bc507b0e0227831b",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}