{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x9be4a51d4e79687314fd67f7c6c3ac26922c8a4a21af5f9d144ee2bee42d19fc",
    "signature": "0x3cb4f1b85c4e9f2c9f5698696814aea14b3b3518afa8bf57bb05e3421ebb75546c31ebe0c3dbfe3673f1014bf8452eb1da1b2ed98234f8ad7280aea36098647e1b",
    "signer": "0x967A35Ecc3e57C43B13DD23C4Af7318374917dF2",
    "userId": "679040863"
  }
}