{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43309",
    "entityType": "User",
    "nonce": "0x7c9d88c63e1d9e2912dcc8e99b48f8d1fd379efd902ee1acae19e535565b271b",
    "signature": "0xba7abc6784fb095ee321c7a8b8e486a4c91d12d7cb045e269f7a23af9018adce46facc54ab54006b19277374e9746c44c2208cd88a6ad42d8560289ec96eb8bc1b",
    "signer": "0x862060c02F28f6984692E1Ab0f15419eFdc91D0A",
    "userId": "321032997"
  }
}