{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xce189fcda2fde6de67ed6e5b6354eeb3ae32e84a825eb2e48572c433ad5662cb",
    "signature": "0xc265d5933aa8165bfa74a3d8fdd72a8a4e7a01a22232c27c159d45147860c74a4d62ad011e9ecaf2678e8e0ab9877548de4ed75f932d20b1e1f97410af3188c01c",
    "signer": "0xaFd161d820E995347aA8EDC1F836F1ffc660729A",
    "userId": "685507057"
  }
}