{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208551",
    "entityType": "User",
    "nonce": "0x77ca2c291441572e4f33eb3338b73e3bda3315abdac8d42a66cc7c82421e350d",
    "signature": "0x41a5c586aec4f7363ce5619a1e9e3dffcfcd8f58341583bad8352a1305f7984d0c341a8320dae7b7356965d483ec70535e7daa3f81c6ffd49dbc65027b4007491c",
    "signer": "0x867107DEcFB40F44c48D3a379C9aD33d78003062",
    "userId": "81310677"
  }
}