{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "698755",
    "entityType": "User",
    "nonce": "0x9ec7a26b057d0f927bf53759b54cc187ab01f8fadfd2fbde2e4c78572ab6c7f1",
    "signature": "0xd36a947be768860a52ffbaa3763c70e8caf7bddc6c4ee1064c7ea1c879891e0769d6427da9567bdb8ec8d5b8d8042bec81fea45a16298ce6cabb7f1d4756c24d1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}