{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27909",
    "entityType": "User",
    "nonce": "0x58ea5373c528683addfac9628b3199cbd44a5c6dbe1ddb6bd22bd6528049d347",
    "signature": "0x585f0c5ec1502cd06b68c02bab4d750a90586c85db087ea90ef4dfa4351e5dbd732c089c8ea38e232c5e476e2bc5abb7965564d2d52bf323db7d5a53424d61f91c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}