{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296063718",
    "entityType": "User",
    "nonce": "0x4cb7e465f9d5f6fd3f7378e28be9d4afee2ad352070820f85e49c6e0fe692ea8",
    "signature": "0x12f2b28d2fa6d3e926b0623d49f1d1a84eb7f203bc2ad816a1ef7d68c941ffca653ad6757eccb6119cba92747c1fb5f1f104cc50c4d4cd6d8a01ccf1e2ffad091b",
    "signer": "0x5ceed2709deD6e6A86b00315724E6bd21F6eF912",
    "userId": "986242447"
  }
}