{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71579",
    "entityType": "User",
    "nonce": "0x8e1e7e80d1b286d193f1cc87b65c8683a8e2bdcb7ad4317907b1eead5a3bb905",
    "signature": "0xfe197e304d113c12e2cc9c4622853cfcef612eaee1f7f406faf79d19265353285629643e2ac0f6970485cd4063270aea3beb39be81693b5cc088e6883a64e6e61b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}